50528557 has 8 divisors (see below), whose sum is σ = 52329240. Its totient is φ = 48759360.

The previous prime is 50528551. The next prime is 50528567. The reversal of 50528557 is 75582505.

It can be written as a sum of positive squares in 4 ways, for example, as 15256836 + 35271721 = 3906^2 + 5939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50528557 - 2³ = 50528549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50528551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4582 + ... + 11047.

It is an arithmetic number, because the mean of its divisors is an integer number (6541155).

Almost surely, 2^50528557 is an apocalyptic number.

It is an amenable number.

50528557 is a deficient number, since it is larger than the sum of its proper divisors (1800683).

50528557 is a wasteful number, since it uses less digits than its factorization.

50528557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15743.

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 50528557 is about 7108.3441813126. The cubic root of 50528557 is about 369.6967493334.

The spelling of 50528557 in words is "fifty million, five hundred twenty-eight thousand, five hundred fifty-seven".